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Optimized Mechanical Properties, Corrosion Resistance and Bactericidal Ability of Ti-15Zr-xCu Biomedical Alloys During Aging Treatment
Kolawole, Sharafadeen Kunle1,2,3; Ren, Ling2; Siddiqui, Muhammad Ali1,2; Ullah, Ihsan1,2; Wang, Hai2; Zhang, Shuyuan2; Zhang, Ji2; Yang, Ke2
Corresponding AuthorRen, Ling(lren@imr.ac.cn) ; Yang, Ke(kyang@imr.ac.cn)
2021-05-08
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages13
AbstractThe effects of different aging conditions on the microstructure, strength, corrosion resistance, cytotoxicity and antibacterial ability of Ti-15Zr-xCu (3 <= x <= 7, wt%) (TZC) alloys were systematically investigated. Microstructural evolution and behavior were analyzed by X-ray diffraction (XRD) patterns and scanning electron microscopy with energy-dispersive spectroscopy (SEM-EDS), while potentiodynamic polarization technique was employed to characterize the corrosion response of the alloys after solution-treatment and aging (STA). High-temperature aging at 660 degrees C for 4 h (660-4) gave the best combination of properties by enabling significant precipitation of the Cu-rich Ti2Cu and Zr2Cu compounds, and mild formation of the Zr7Cu10 secondary phase. The high kinetics at this condition was beneficial to the complete precipitation and more homogeneous distribution of the intermetallic particles. These led to the inhibition of dislocation movements and allowed for significantly improved mechanical strengths with added ductility, availability of more Cu ions for the desired oligodynamic activity without evoking cytotoxicity, better corrosion resistance and very high antibacterial ability (over 99.5%), thus improving the overall properties of the TZC alloys for biomedical applications.
KeywordTi-15Zr-xCu alloys Solution treatment and aging Cu-rich precipitates Improved strength Corrosion resistance Antibacterial ability
Funding OrganizationNational Natural Science Foundation of China ; CAS-TWAS President Fellowship
DOI10.1007/s40195-021-01248-8
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51631009] ; National Natural Science Foundation of China[31870954] ; CAS-TWAS President Fellowship
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000648369500001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162146
Collection中国科学院金属研究所
Corresponding AuthorRen, Ling; Yang, Ke
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
3.Fed Polytech, PMB 420, Offa, Kwara State, Nigeria
Recommended Citation
GB/T 7714
Kolawole, Sharafadeen Kunle,Ren, Ling,Siddiqui, Muhammad Ali,et al. Optimized Mechanical Properties, Corrosion Resistance and Bactericidal Ability of Ti-15Zr-xCu Biomedical Alloys During Aging Treatment[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:13.
APA Kolawole, Sharafadeen Kunle.,Ren, Ling.,Siddiqui, Muhammad Ali.,Ullah, Ihsan.,Wang, Hai.,...&Yang, Ke.(2021).Optimized Mechanical Properties, Corrosion Resistance and Bactericidal Ability of Ti-15Zr-xCu Biomedical Alloys During Aging Treatment.ACTA METALLURGICA SINICA-ENGLISH LETTERS,13.
MLA Kolawole, Sharafadeen Kunle,et al."Optimized Mechanical Properties, Corrosion Resistance and Bactericidal Ability of Ti-15Zr-xCu Biomedical Alloys During Aging Treatment".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):13.
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